We want to enable man pages without regenerating them.

--- a/Makefile.in
+++ b/Makefile.in
@@ -372,7 +372,7 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 EXTRA_DIST = NEWS README TODO shadow.spec.in
-SUBDIRS = libmisc lib $(am__append_1) src po contrib doc etc \
+SUBDIRS = libmisc lib $(am__append_1) src po contrib doc etc man \
 	$(am__append_2)
 all: config.h
 	$(MAKE) $(AM_MAKEFLAGS) all-recursive
